/Engine/Source/Editor/PinnedCommandList/Public/IPinnedCommandList.h
Bind a pinnable command list to this widget. As well as callingBindCommandList(), this also sets up delegates to forward commands and widget interactions to this command list.
void BindCommandList ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FUICommandList_Pinnable](API\Editor\PinnedCommandList\FUICommandList_Pinnable) > & InUICommandList )